<?php
$capital['narayani']="chitwean";
$capital['kaski']="pokhara";
$capital['bagling']="kathan";
print_r($capital);
echo "<br/>";
$cap=array_flip($capital);

print_r($cap);
echo "<br/>";

$user=array("1"=>array("id"=>1,"username"=>prajwol))

?>